Vishnu - Deleted .DS_Store file from git.
Pooja: AMde Visualization controller to return json to the view
Vishnu - Mode a few small UI fixes
Khushal: Added model and controller for defect analysis view
Pooja: added basic view for defect_analysis <PS: not complete>
Aasawaree : Worked on visualization rspec
Akash/Pooja: wrote specs for visualization controller
Pooja/Vishnu removed jquery library.
Khushal/Pooja: Added backend logic to return a json object to be consumed by defect analysis view and a base defect analysis view
Sneha/Pooja/Khushal: refactred upload controller, and wrote specs against it
Pooja/Khushal: fixed spec
Resolving merge issues.
Merge commit  cherrypicked.
Merge conflicts fixed
Pyramid Customization partially done. Rendering it properly remaining
pyramid view enhancement. Still not complete
Pyramid Customization Done.
Vishnu - Fixed UI defects on Pyramid view
Vishnu - Made changes to git ignore
Pooja: made changes to visualization model and controller to reflect current refcatored code